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/*
core/func.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_FUNC_H__
#define __INCLUDED_CORE_FUNC_H__
#include "core/player.h"
#include <sstream>
#include <string>
#include <map>
namespace core
{
/// function pointer type for local functions
typedef void(* FuncPtr)(std::string const &args);
/// fuction pointer for game functions
typedef void(* GameFuncPtr)(Player *player, std::string const &args);
/// a function pointer encapsulation class
class Func
{
public:
/// function flags
enum Flags {Game=1, Shared=2};
/// create a new function
Func(char const * name, void *ptr, unsigned int flags = 0);
~Func();
/*----- inspectors ------------------------------------------------ */
/// returns the fucuntion flags
inline unsigned int flags() const { return func_flags; }
/// returns the name of the function
inline std::string const &name() const { return func_name; }
/// returns the info of the function
inline std::string const &info() { return func_info; }
/*----- mutators -------------------------------------------------- */
/// set the info string
void set_info(const char *);
/// execute the function if the Game flag is not set
void exec(std::string const &args);
/// execute the function if the Game flag is set
void exec(Player *player, std::string const &args);
/* ---- Static functions for the Func registry -------------------- */
/// add a function to the registry
static Func *add(const char *name, FuncPtr functionptr, unsigned int flags=0);
/// add a game function to the registry and set the Game flag
static Func *add(const char *name, GameFuncPtr functionptr, unsigned int flags=0);
/// remove a function from the registry
static void remove(const char *name);
/// remove a function from the registry
static void remove(std::string const &name);
/// find a fuction pointer, return 0 if it could not be found
static Func *find(std::string const &name);
/// list the function registry
static void list();
/// the function registry
static std::map<std::string, Func*> registry;
private:
std::string func_name;
std::string func_info;
unsigned int func_flags;
void *func_ptr;
};
}
#endif // __INCLUDED_CORE_FUNC_H__
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